Don’t let nobody play me

Lupe was in no way going to sacrifice his principles and fall for Atlantic’s shady deal

It also serves as wordplay on “that glitterin' may not be gold”. The RIAA grants albums and singles “Gold” status after selling 500K units. If Lupe’s album won’t be released, he can’t get Gold-status on it, but he mentions that he’s still shining because he got talent.